Friday, May 1, 2020

SSC CHEMISTRY IMPORTANT QUESTIONS




Acids, Bases and Salts.

1. Choose the corret sentence given below.
iAcidic solutions turns blue litmus to Red
iiBasic solutions turns red litmus to Blue
iiiThe colour of methyle orange solution is red when it reacts with acidic solution
ivThe colour of phenolphthalein solution is yellow, when it reacts with Bases
Ans. i, ii ,iii ,iv
2. What is the colour of phenolphthalein solution , when it reacts with Bases ?
Ans. Pink.
3. What do we call the die extracted from lichen plant ?
Ans. Litmus.
4. Give an example for universal indicator ?
Ans. PH paper.
5. What do we call indicator the that gives odour with bases or acid ?
Ans. Olfactrory indicators.
6. Complete the following equatjion.
Acid + Base  Salt + .........
Ans. Water.

-BY APPSTF

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